30 1 10 Pembibitan kelapa sawit Bagaimana memperoleh bibit yang jagur Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Witjaksana Darmosarkoro Additional Author Akiyat Additional Author Edy Sigit Sutarta Additional Author SUGIYONO Additional Author mixed material 9789798529818 Medan PPKS 2008 Cover_Pembibitan_Kelapa_Sawit.jpg Iman Yani Harahap Additional Author Witjaksana Darmosarkoro Additional Author Agus Susanto Additional Author Heri Santoso Additional Author Donald Siahaan Additional Author Yurna Yenni Additional Author Hernawan Yuli Rahmadi Additional Author Edy Sigit Sutarta Additional Author Hasril Hasan Siregar Additional Author Nanang Supena Additional Author Ratnawati Nurkhoiry Additional Author Sri Wening Additional Author Erwinsyah Additional Author Abdul Razak Purba Additional Author Mohamad Arif Additional Author Erna Yunita Additional Author mixed material 14103362 Medan Pusat Penelitian Kelapa Sawit 2013 Cvr_Laptah_PPKS_thn2013.JPG Darmosarkoro , Witjaksana Primary Author mixed material 9798629324 Medan Pusat Penelitian Kelapa Sawit (PPKS) 2006 WhatsApp_Image_2023-07-24_at_08.39.39.jpeg.jpeg DARMOSARKORO, Witjaksana Primary Author mixed material Medan Pusat Penelitian Kelapa Sawit 2012 master_plan_2013-2025.JPG PPKS Additional Author Witjaksana Darmosarkoro Additional Author DARNOKO Additional Author Luqman Erningpraja Additional Author Gale Ginting Additional Author Hasril Hasan Siregar Additional Author Ambar Kurniawan Additional Author Bagus Giri Yudanto Additional Author B. Budianto Additional Author K.Murtilaksono Additional Author Bambang Ariwahjoedi Additional Author Diana L. Ginting Additional Author mixed material 0853196X Medan Pusat Penelitian Kelapa Sawit (PPKS) 2007 cvr_15_N1_2007.JPG Kabul Pamin Additional Author Pusat Penelitian Kelapa Sawit (PPKS) Additional Author Witjaksana Darmosarkoro Additional Author Dwi Asmono Additional Author Tjahjono Herawan Additional Author Rachmat Adiwiganda Additional Author Arsyad D. Koedadiri Additional Author SUGIYONO Additional Author Endang Susilawati Additional Author Muhamad Ikwan Additional Author mixed material 08532141 Medan Pusat Penelitian Kelapa Sawit (PPKS) 1998 cover_warta_vol6no2.jpg PUSAT PENELITIAN KELAPA SAWIT Primary Author DARMOSARKORO, Witjaksana Primary Author mixed material Cambridge, Mass Apress 2013 pedoman_%26_petunjuk.JPG Witjaksana Darmosarkoro Additional Author PUSAT PENELITIAN KELAPA SAWIT Primary Author mixed material Medan Pusat Penelitian Kelapa Sawit 2013 kode_etika_penelitian.JPG Iman Yani Harahap, Witjaksana Darmosarkoro Additional Author mixed material Cambridge, Mass Pusat Nubika 2006-2010 Cvr_GerakMaju_PPKS_2006-2010.JPG DARMOSARKORO, Witjaksana Additional Author mixed material Bogor IPB 1991 Cvr_Pengaruh_pemupukan_.....JPG